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Boundary Integral Operators in Linear and Secondorder Nonlinear Nanooptics
"... Recent advances in the fabrication of nanoscale structures have enabled the production of almost arbitrarily shaped nanoparticles and socalled optical metamaterials. Such materials can be designed to have optical properties not found in nature, such as negative index of refraction. Noble metal nano ..."
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of modeling spatially periodic structures by the use of appropriate Green’s function. We further show how to utilize geometrical symmetries to lower the computational time and memory requirements in the boundary element method even in cases where the incident field is not symmetrical.
METHODOLOGY SecondOrder Experimental Designs for Simulation Metamodeling
, 2002
"... On behalf of: ..."
The doublepower approach to spherically symmetric astrophysical systems
"... In this paper, we present two simple approaches for deriving anisotropic distribution functions for a wide range of spherical models. The first method involves multiplying and dividing a basic augmented density with polynomials in r and constructing more complex augmented densities in the process, f ..."
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In this paper, we present two simple approaches for deriving anisotropic distribution functions for a wide range of spherical models. The first method involves multiplying and dividing a basic augmented density with polynomials in r and constructing more complex augmented densities in the process
Evolution of linear perturbations in spherically symmetric dust spacetimes
"... Abstract. We present results from a numerical code implementing a new method to solve the master equations describing the evolution of linear perturbations in a spherically symmetric but inhomogeneous background. This method can be used to simulate several configurations of physical interest, such a ..."
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Abstract. We present results from a numerical code implementing a new method to solve the master equations describing the evolution of linear perturbations in a spherically symmetric but inhomogeneous background. This method can be used to simulate several configurations of physical interest
Exact Spherically Symmetric Solutions in Massive Gravity
, 2008
"... Abstract: A phase of massive gravity free from pathologies can be obtained by coupling the metric to an additional spintwo field. We study the gravitational field produced by a static spherically symmetric body, by finding the exact solution that generalizes the Schwarzschild metric to the case of ..."
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Abstract: A phase of massive gravity free from pathologies can be obtained by coupling the metric to an additional spintwo field. We study the gravitational field produced by a static spherically symmetric body, by finding the exact solution that generalizes the Schwarzschild metric to the case
STATIC AXIALLY SYMMETRIC SOLUTIONS OF EINSTEINYANGMILLS EQUATIONS WITH A NEGATIVE
, 2004
"... We investigate static axially symmetric black hole solutions in a fourdimensional EinsteinYangMillsSU(2) theory with a negative cosmological constant Λ. These solutions approach asymptotically the antide Sitter spacetime and possess a regular event horizon. A discussion of the main properties o ..."
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We investigate static axially symmetric black hole solutions in a fourdimensional EinsteinYangMillsSU(2) theory with a negative cosmological constant Λ. These solutions approach asymptotically the antide Sitter spacetime and possess a regular event horizon. A discussion of the main properties
Perturbation theory of spherically symmetric selfsimilar black holes
, 706
"... The theory of perturbations of spherically symmetric selfsimilar black holes is presented, in the NewmanPenrose formalism. It is shown that the wave equations for gravitational, electromagnetic, and scalar waves are separable, though not decoupled. A generalization of the Teukolsky equation is giv ..."
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The theory of perturbations of spherically symmetric selfsimilar black holes is presented, in the NewmanPenrose formalism. It is shown that the wave equations for gravitational, electromagnetic, and scalar waves are separable, though not decoupled. A generalization of the Teukolsky equation
Initial Data for Axially Symmetric Black Holes With Distorted Apparent Horizons
, 2009
"... The production of axisymmetric initial data for distorted black holes at a moment of time symmetry is considered within the (3+1) context of general relativity. The initial data is made to contain a distorted marginally trapped surface ensuring that, modulo cosmic censorship, the spacetime will cont ..."
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on the fraction of the total energy available for radiation. The families of initial data considered contain no more than few percent of the total energy available for radiation even in cases of extreme distortion. It is shown that the mass of certain initial data slices depend to first order on the area
New axially symmetric YangMillsHiggs solutions with negative cosmological constant
, 2004
"... We construct numerically new axially symmetric solutions of SU(2) YangMillsHiggs theory in (3 + 1) antide Sitter spacetime. Two types of finite energy, regular configurations are considered: multimonopole solutions with magnetic charge n> 1 and monopoleantimonopole pairs with zero net magneti ..."
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magnetic charge. A somewhat detailed analysis of the boundary conditions for axially symmetric solutions is presented. The properties of these solutions are investigated, with a view to compare with those on a flat spacetime background. The basic properties of the gravitating generalizations
Charged Axially Symmetric Solution and Energy in Teleparallel Theory Equivalent to General Relativity ∗
, 706
"... An exact charged solution with axial symmetry is obtained in the teleparallel equivalent of general relativity (TEGR). The associated metric has the structure function G(ξ) = 1 − ξ 2 − 2mAξ 3 − q 2 A 2 ξ 4. The fourth order nature of the structure function can make calculations cumbersome. Using a c ..."
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An exact charged solution with axial symmetry is obtained in the teleparallel equivalent of general relativity (TEGR). The associated metric has the structure function G(ξ) = 1 − ξ 2 − 2mAξ 3 − q 2 A 2 ξ 4. The fourth order nature of the structure function can make calculations cumbersome. Using a
Results 1  10
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14,486